Zhang Xiaochen, Zhang He, Jin Liang, Li Xiaohui, Xie Shangzhi, Ma Xiaohui
Appl Opt. 2022 Nov 20;61(33):9979-9984. doi: 10.1364/AO.474135.
We present what we believe is a novel approach to generate a dual wavelength in a single fiber-ring oscillator, which is based on microfiber-assisted nonlinear multimode interference. In the software simulation, the mode locker could not only strengthen the spatial filtering and spectral filtering but could also improve the signal-to-noise ratio of the mode-locked pulse over the single mode fiber-graded index multimode fiber-single mode fibers (SMSs). In the experiment, the stable and compact dual-wavelength mode-locked output was achieved by using the proposed mode-locked fiber laser, without any complex controlling electronics. This new optimized mode-locking method provides a compact and low-cost solution for dual-comb systems.
我们提出了一种我们认为新颖的方法，可在单光纤环形振荡器中产生双波长，该方法基于微光纤辅助的非线性多模干涉。在软件模拟中，锁模器不仅可以增强空间滤波和光谱滤波，还可以提高锁模脉冲在单模光纤 - 渐变折射率多模光纤 - 单模光纤（SMS）上的信噪比。在实验中，使用所提出的锁模光纤激光器实现了稳定且紧凑的双波长锁模输出，无需任何复杂的控制电子设备。这种新的优化锁模方法为双梳状系统提供了一种紧凑且低成本的解决方案。
